Source/Contrib/ComplexSceneManager/OSGCSMSceneParameter.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *               Copyright (C) 2000-2006 by the OpenSG Forum                 *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
   8  *                                                                           *
   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
  31  *                                                                           *
  32  *                                                                           *
  33  *                                                                           *
  34  *                                                                           *
  35  *                                                                           *
  36  *                                                                           *
  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include "OSGConfig.h"
  47
  48 #include "OSGCSMSceneParameter.h"
  49 #include "OSGNode.h"
  50
  51 OSG_BEGIN_NAMESPACE
  52
  53 // Documentation for this class is emitted in the
  54 // OSGCSMSceneParameterBase.cpp file.
  55 // To modify it, please change the .fcd file (OSGCSMSceneParameter.fcd) and
  56 // regenerate the base file.
  57
  58 /***************************************************************************\
  59  *                           Class variables                               *
  60 \***************************************************************************/
  61
  62 /***************************************************************************\
  63  *                           Class methods                                 *
  64 \***************************************************************************/
  65
  66 void CSMSceneParameter::initMethod(InitPhase ePhase)
  67 {
  68     Inherited::initMethod(ePhase);
  69
  70     if(ePhase == TypeObject::SystemPost)
  71     {
  72     }
  73 }
  74
  75
  76 /***************************************************************************\
  77  *                           Instance methods                              *
  78 \***************************************************************************/
  79
  80 /*-------------------------------------------------------------------------*\
  81  -  private                                                                 -
  82 \*-------------------------------------------------------------------------*/
  83
  84 /*----------------------- constructors & destructors ----------------------*/
  85
  86 CSMSceneParameter::CSMSceneParameter(void) :
  87     Inherited()
  88 {
  89     Inherited::_bNoFrameFunction = true;
  90 }
  91
  92 CSMSceneParameter::CSMSceneParameter(const CSMSceneParameter &source) :
  93     Inherited(source)
  94 {
  95     Inherited::_bNoFrameFunction = true;
  96 }
  97
  98 CSMSceneParameter::~CSMSceneParameter(void)
  99 {
 100 }
 101
 102 /*----------------------------- class specific ----------------------------*/
 103
 104 void CSMSceneParameter::changed(ConstFieldMaskArg whichField,
 105                             UInt32            origin,
 106                             BitVector         details)
 107 {
 108     Inherited::changed(whichField, origin, details);
 109
 110     if(0x0000 != (whichField & (SceneRefFieldMask | ResetFieldMask)))
 111     {
 112         reset();
 113     }
 114 }
 115
 116 bool CSMSceneParameter::init(void)
 117 {
 118     reset();
 119
 120     return true;
 121 }
 122
 123 void CSMSceneParameter::frame(Time oTime, UInt32 uiFrame)
 124 {
 125     OSG_ASSERT(false);
 126 }
 127
 128 void CSMSceneParameter::reset(void)
 129 {
 130     fprintf(stderr, "CSMSceneParameter::reset %p\n",
 131             static_cast<void *>(_sfSceneRef.getValue()));
 132
 133     if(_sfSceneRef.getValue() != NULL)
 134     {
 135         Vec3f vVolMin;
 136         Vec3f vVolMax;
 137
 138         _sfSceneRef.getValue()->editVolume(true).getBounds(vVolMin,
 139                                                            vVolMax);
 140
 141         std::cerr << "Volume: from "
 142                   << vVolMin << " to "
 143                   << vVolMax << std::endl;
 144
 145         editSFSceneDiag()->setValue(vVolMax - vVolMin);
 146
 147         editSFSceneCenter()->setValue(
 148             Pnt3f((vVolMin[0] + vVolMax[0]) * .5,
 149                   (vVolMin[1] + vVolMax[1]) * .5,
 150                   (vVolMin[2] + vVolMax[2]) * .5));
 151
 152         Real32 rDist =
 153             osgMax(_sfSceneDiag.getValue()[0],
 154                    _sfSceneDiag.getValue()[1]) * _sfDistScale.getValue();
 155
 156         editSFInitViewPos()->setValue(
 157             Pnt3f(_sfSceneCenter.getValue()[0],
 158                   _sfSceneCenter.getValue()[1],
 159                   _sfSceneCenter.getValue()[2] + rDist));
 160
 161         std::cerr << "Center: " << getSceneCenter()
 162                   << std::endl;
 163
 164         setSceneNear(
 165             osgPow(10.f,
 166                    Int32(
 167                              log10f(_sfSceneDiag.getValue().length()))  - 2));
 168         setSceneFar (
 169             osgPow(10.f,
 170                    Int32(osgCeil(
 171                              log10f(_sfSceneDiag.getValue().length()))) + 1));
 172
 173         std::cerr << "clipping (" << _sfSceneDiag.getValue().length()
 174                   << ": from "
 175                   << getSceneNear() << " to "
 176                   << getSceneFar () << std::endl;
 177     }
 178 }
 179
 180 void CSMSceneParameter::dump(      UInt32    ,
 181                          const BitVector ) const
 182 {
 183     SLOG << "Dump CSMSceneParameter NI" << std::endl;
 184 }
 185
 186 OSG_END_NAMESPACE